cccc cccf cccl cccu ccfc ccff ccfl cclc ccnc ccnf ccnu ccoc cctc cctl cctt ccuc ccut cfcf cfcl cfcn cfco cfln cftc cftl cfun clof clon cloo clot clou cltc clun clut cnco cntc cntf cnut coco coct cocu cofc coff coft col- coll coln colo colt colu con- conc conf conn cono cont coof cool coon coot cotc cotn coto cott cotu coul coun cout ctcf ctfc ctfo ctol ctot cttn cucc cucn cufc cuff cufo culc cull culo cult cuno cunt cuon cut- cutc cuto cutt fccf fcnl fcot fcto ffcc ffff fftf ffun flcl flnc floc flon floo flot flou fluf fluo fnlc fnuf foco fofo folc foll folo folt fono font foof fool foon foot foto fott foul foun fout ft-c ft-l ftfc ftuc fuc- fuct fufc fuff fufu full fulu funf funt futo futu lccc lcfc lctl lcto lfcc llcc lllc llll lloc lloo lntc locc locn loco locu loff lofn loft loll lolo lono lont looc loof lool loon loot lotl loto lott loul loun lout louu ltcc ltfc ltnt lttc ltuc luff luft lufu lull lulu lunn luno lunt nccc nccf nccn ncct nccu ncfc nclc ncln ncnc ncoc nctc nfct nfcu nfff nfon nftc nfto nlcc nlcf nnnn nnot nntn nocl noco noct nolf noll nolo nolt non- nonn nono nont nonu noo- nool noon nooo noot not- noto nott noul noun nout ntcc ntfc ntfl ntnu ntof ntto ntuc nucu nuff null nunc nunn nuno nunt nuoc nuon nutt nutu occc occn occt oclc ocon oct- octo ocul ofcl off- offc offo offu ofno olcc ollo olof olon olot oltu onc- oncf onco onct onlf onno onon ont- ontc onto onut ooff oolo oont oooo otcl otfc oto- otof oton otoo otto ottu oucc oufc ouff oulu oun- out- outo ouu- tccc tccu tcfc tcnn tcon tctc tcul tfcu tfot tftc tlco tlon tncc tnfc tnfl tnut toco toff tofo toft tofu tol- toll tolo tolt tolu tonn tono tonu toof tool toon toot totc toto tott toul toun tout ttcn ttfc ttff ttfn tton tttt ttul tucc tuco tufc tuff tufo tuft tufu tull tulo tulu tunc tunn tuno tunu tutl tuto tutt tutu tuuo ucon ucut ufcu ulcc ulco ulft ullo ulno ulo- uloc ulto ultt ulul uncc uncf uncl unco unct unlf unno unon unto unut uocc uofl uofo uolc utfo utto uttu uulu uuno uuoc uutf uuuu